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A194246 Partial sums of A194245. 2
0, 0, 1, 2, 4, 6, 9, 12, 16, 20, 25, 30, 36, 43, 50, 57, 64, 72, 80, 89, 98, 108, 118, 129, 141, 154, 167, 180, 194, 208, 222, 237, 253, 269, 285, 302, 320, 338, 357, 376, 396, 416, 437, 459, 481, 503, 526, 550, 574, 598, 623, 649, 675, 701, 728, 755, 782 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..57.

MATHEMATICA

r = 2-Sqrt[3];

a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]

Table[a[n], {n, 1, 90}]    (* A194245 *)

s[n_] := Sum[a[k], {k, 1, n}]

Table[s[n], {n, 1, 100}]   (* A194246 *)

CROSSREFS

Cf. A194245.

Sequence in context: A224813 A224812 A194256 * A239873 A224811 A024617

Adjacent sequences:  A194243 A194244 A194245 * A194247 A194248 A194249

KEYWORD

nonn

AUTHOR

Clark Kimberling, Aug 20 2011

STATUS

approved

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Last modified May 9 13:42 EDT 2021. Contains 343742 sequences. (Running on oeis4.)